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Summary and effect analysis of methods for calculating binocular parallax
2022-04-23 20:37:00 【Zhongai0049】
Summary and effect analysis of methods for calculating binocular parallax
This is what I tried in the process of calculating binocular parallax , Want to record . It would be better if it were helpful to everyone ! If there are mistakes or improvements , Welcome to correct !!
- matlab Self contained disparity function (BM Method ) Binocular parallax
disparityRange = [-16 112];
disparityMap = disparity(left,right,‘BlockSize’,…
5,‘DisparityRange’,disparityRange,‘UniquenessThreshold’,3);
The renderings are as follows :
Original picture 1
Parallax map 1( Up for BM Algorithm , for SGM Algorithm )
PS: The effect is OK , On the whole , A large part of the effect presented follows disparityRange Change by change . It is important to choose the appropriate range of parallax . You can start with matlab With APP Choose from Image viewer, Roughly check the parallax range of the two images . An example is shown below :
Original picture 2
Parallax map 2
Parallax range in the figure above [0,64], The effect is not obvious
Parallax range in the figure above [0,32], The effect is relatively obvious , But it's not very good .
Infer from the second attempt , When the scene in the image is complex ,disparity The calculation accuracy of the function is relatively low .
- NCC Measure
The renderings are as follows :
Original picture
Parallax map
3. Block matching to calculate binocular parallax
Original picture :
Parallax map :
4.ELAS Method to calculate binocular parallax
Original picture :
Parallax map :
Different algorithms , Different effects , But in the calculation of binocular parallax , Parameter setting is particularly important . If the appropriate parameters are not selected , The effect is unspeakable ... alas
It's recorded here for the time being , If you encounter again in the future , Add again ...
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